Product Description
Lithium Polymer Battery Cell 523450 553450 603450 Rechargeable Lipo Battery
| NO. | Items | Specifications |
| 1 | batteries | 3.7v 1100mah lipo battery |
| 2 | Charge voltage | 4.2V |
| 3 | Nominal voltage | 3.7V |
| 4 | Nominal capacity | 1100mAh 0.2C Discharge |
| 5 | Charge current
| Standard Charging:0.5C
Rapid charge: 1.0C |
| 6 | Standard Charging method | 0.5C CC(constant current)charge to 4.2V, then CV(constant voltage 4.2V)charge till charge current decline to ≤0.05C |
| 7 | Charging time
| Standard Charging:2.75hours(Ref.)
Rapid charge: 2hours(Ref.) |
| 8 | Max.charge current | 1.0C |
| 9 | Max.discharge current | 1.0C |
| 10 | Discharge cut-off voltage | 2.5V0.25V(0.2C) |
| 11 | Operating temperature | Charging: 0 °C ~45 °C
Discharging:0 °C ~45 °C |
| 12 | Storage temperature | -10°C~ +45 °C |
| 13 | Dimension | Length: 50±2mm (not including tabs)
Width: 34±0.5mm
Thickness:5.5±0.2mm |
| 14 | Drop Test | The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage |
| 15 | cycle time | ≥500times |
How to increase the lithium battery's capacity?
Material Improvement
Optimizing the Positive Electrode Material: For example, in lithium-ion batteries, increasing the proportion of certain elements in the positive electrode material, such as increasing the nickel content in nickel-cobalt-manganese ternary materials, can generally improve the specific capacity of the material. Some new positive electrode materials with higher theoretical specific capacities, like lithium-rich manganese-based oxides, are also being researched and developed to potentially increase the battery capacity3.
Developing Advanced Negative Electrode Materials: Silicon-based materials have a much higher theoretical specific capacity than traditional graphite negative electrodes. Although there are still challenges such as volume expansion during the charge and discharge process, by using composite materials or surface modification techniques to address these issues, silicon-based negative electrodes can be gradually applied to increase the battery capacity.
Battery Structure Optimization
Increasing the Thickness or Area of Electrodes: Under the premise of maintaining the flat shape, appropriately increasing the thickness of the electrode plates can increase the amount of active material, thereby increasing the capacity. However, this needs to be balanced with factors such as battery size and internal resistance. Increasing the area of the electrodes can also achieve a similar effect. For example, using a winding or stacking method with a larger electrode area can improve the capacity.
Optimizing the Internal Space Utilization: Designing a more compact and reasonable internal structure can reduce the space occupied by non-active components (such as the separator and packaging material), allowing more space for the active material, and thus increasing the capacity. For instance, using thinner but still effective separators can free up some space for the electrodes.
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